

12/10/1940
A wealthy lord dies and is entombed with a valuable deposit of jewels. Seven keys are required to unlock the tomb and get hold of the treasure. A mad doctor uses an iron maiden to systematically eliminate the heirs to the fortune.

Leslie Banks
as Dr. Manetta

Lilli Palmer
as June Lansdowne

Cathleen Nesbitt
as Ann Cody

Gina Malo
as Glenda Baker

David Horne
as Edward Havelock

Romilly Lunge
as Dick Martin

Richard Bird
as Inspector Cornelius 'Andy' Sneed

J.H. Roberts
as Luis Silva

Aubrey Mallalieu
as Lord Charles Francis Selford

Harry Hutchinson
as Bevan Cody

Phil Ray
as Tom Cawler

George Street
as Chief Commissioner

Ross Landon
as John Selford

Raymond Mander
as P.C. in Sneed's Office (Uncredited)

Charles Paton
as Handwriting Expert (Uncredited)

George Street
as Chief Commissioner (Uncredited)
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